Drinking vessel



FIG. 1 is a front perspective view of a drinking vessel;

FIG. 2 is a front view thereof;

FIG. 3 is a cross-sectional view showing a section taken along line 3-3 of FIG. 4;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top perspective view thereof.

The elements depicted in broken lines in the various figures are included for environmental purposes only, and form no part of the claimed design. 

CLAIM The ornamental design for a drinking vessel, as shown and described. 